Home › Authors › Mary Steadman Aldis 👤 Mary Steadman Aldis 1 book Biography Mary Steadman Aldis née Robinson (1838? – 25 June 1897) was a British author who wrote one of New Zealand's earliest astronomy texts, and was a vocal proponent of social reform and higher education for women. Books by Mary Steadman Aldis Great Giant Arithmos, a Most E Great Giant Arithmos, a Most Elementary Arithmetic 2023